minpkg/lib/min_num.nim
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import random import ../core/parser, ../core/value, ../core/interpreter, ../core/utils proc num_module*(i: In)= let def = i.define() def.symbol("nan") do (i: In): i.push newVal(NaN) def.symbol("inf") do (i: In): i.push newVal(Inf) def.symbol("-inf") do (i: In): i.push newVal(NegInf) def.symbol("+") do (i: In): let vals = i.expect("num", "num") let a = vals[0] let b = vals[1] if a.isInt: if b.isInt: i.push newVal(a.intVal + b.intVal) else: i.push newVal(a.intVal.float + b.floatVal) else: if b.isFloat: i.push newVal(a.floatVal + b.floatVal) else: i.push newVal(a.floatVal + b.intVal.float) def.symbol("-") do (i: In): let vals = i.expect("num", "num") let a = vals[0] let b = vals[1] if a.isInt: if b.isInt: i.push newVal(b.intVal - a.intVal) else: i.push newVal(b.floatVal - a.intVal.float) else: if b.isFloat: i.push newVal(b.floatVal - a.floatVal) else: i.push newVal(b.intVal.float - a.floatVal) def.symbol("*") do (i: In): let vals = i.expect("num", "num") let a = vals[0] let b = vals[1] if a.isInt: if b.isInt: i.push newVal(a.intVal * b.intVal) else: i.push newVal(a.intVal.float * b.floatVal) else: if b.isFloat: i.push newVal(a.floatVal * b.floatVal) else: i.push newVal(a.floatVal * b.intVal.float) def.symbol("/") do (i: In): let vals = i.expect("num", "num") let a = vals[0] let b = vals[1] if a.isInt: if b.isInt: i.push newVal(b.intVal.int / a.intVal.int) else: i.push newVal(b.floatVal / a.intVal.float) else: if b.isFloat: i.push newVal(b.floatVal / a.floatVal) else: i.push newVal(b.intVal.float / a.floatVal) def.symbol("randomize") do (i: In): randomize() def.symbol("random") do (i: In): let vals = i.expect("int") let n = vals[0] i.push n.intVal.int.rand.newVal def.symbol("div") do (i: In): let vals = i.expect("int", "int") let b = vals[0] let a = vals[1] i.push(newVal(a.intVal div b.intVal)) def.symbol("mod") do (i: In): let vals = i.expect("int", "int") let b = vals[0] let a = vals[1] i.push(newVal(a.intVal mod b.intVal)) def.symbol("succ") do (i: In): let vals = i.expect("int") let n = vals[0] i.push newVal(n.intVal + 1) def.symbol("pred") do (i: In): let vals = i.expect("int") let n = vals[0] i.push newVal(n.intVal - 1) def.symbol("even?") do (i: In): let vals = i.expect("int") let n = vals[0] i.push newVal(n.intVal mod 2 == 0) def.symbol("odd?") do (i: In): let vals = i.expect("int") let n = vals[0] i.push newVal(n.intVal mod 2 != 0) def.symbol("sum") do (i: In): var s: MinValue i.reqQuotationOfNumbers s var c = 0.float var isInt = true for n in s.qVal: if n.isFloat: isInt = false c = + n.floatVal else: c = c + n.intVal.float if isInt: i.push c.int.newVal else: i.push c.newVal def.symbol("product") do (i: In): var s: MinValue i.reqQuotationOfNumbers s var c = 1.float var isInt = true for n in s.qVal: if n.isFloat: isInt = false c = c * n.floatVal else: c = c * n.intVal.float if isInt: i.push c.int.newVal else: i.push c.newVal def.symbol("avg") do (i: In): var s: MinValue i.reqQuotationOfNumbers s var c = 0.float for n in s.qVal: if n.isFloat: c = + n.floatVal else: c = c + n.intVal.float c = c / len(s.qVal).float i.push c.newVal def.symbol("med") do (i: In): var s: MinValue i.reqQuotationOfNumbers s let first = s.qVal[(s.qVal.len-1) div 2] let second = s.qVal[((s.qVal.len-1) div 2)+1] if s.qVal.len mod 2 == 1: i.push first else: if first.isFloat: if second.isFloat: i.push ((first.floatVal+second.floatVal)/2).newVal else: i.push ((first.floatVal+second.intVal.float)/2).newVal else: if second.isFloat: i.push ((first.intVal.float+second.floatVal)/2).newVal else: i.push ((first.intVal+second.intVal).float/2).newVal def.symbol("range") do (i: In): var s: MinValue i.reqQuotationOfNumbers s var a = s.qVal[0] var b = s.qVal[1] var step = 1.newVal var res = newSeq[MinValue](0) if len(s.qVal)==3: a = s.qVal[0] b = s.qVal[1] step = s.qVal[2] var j = a if a.intVal < b.intVal: while j.intVal <= b.intVal: res.add j j = (j.intVal + step.intVal).newVal else: while j.intVal >= b.intVal: res.add j j = (j.intVal - step.intVal).newVal i.push res.newVal def.finalize("num") |